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Change item.pubData in RSS feed to merge-at #10

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Merged
prozolic merged 1 commit into from
Feb 23, 2026
Merged

Change item.pubData in RSS feed to merge-at #10

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39 changes: 35 additions & 4 deletions src/PRDigest.NET/PullRequestAnalyzer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
using Markdig.Syntax.Inlines;
using System.Collections.Frozen;
using System.Collections.Immutable;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

Expand Down Expand Up @@ -121,7 +122,8 @@ public static AnalysisResults Analyze(MarkdownDocument document)
return !string.IsNullOrWhiteSpace(labelText) && !labelText.Contains("ラベル");
});

currentMetadata = GetMetadata(nextPullRequestNumber, labels);
var mergedAt = ParseDate(metadataList[2]);
currentMetadata = GetMetadata(nextPullRequestNumber, labels, mergedAt);

foreach (var label in labels ?? [])
{
Expand Down Expand Up @@ -190,7 +192,30 @@ public static AnalysisResults Analyze(MarkdownDocument document)
pullRequestInfoTable.ToFrozenDictionary());
}

private static Metadata GetMetadata(HeadingBlock heading, IEnumerable<LiteralInline>? labels)
private static DateTimeOffset ParseDate(ListItemBlock block)
{
// example: "マージ日時: 2025年12月22日 20:19:50(UTC)"
var text = string.Concat(block.Descendants<LiteralInline>().Select(l => l.Content.ToString()));

var textSpan = text.AsSpan();
var startIndex = textSpan.IndexOf(": ", StringComparison.Ordinal);
if (startIndex < 0)
throw new FormatException($"Invalid date format: could not find ': ' separator in '{text}'.");

var endIndex = textSpan.Slice(startIndex + 2).IndexOf("(UTC)", StringComparison.Ordinal);
if (endIndex < 0)
throw new FormatException($"Invalid date format: could not find '(UTC)' separator in '{text}'.");

var dateTextSpan = textSpan.Slice(startIndex + 2, endIndex);
if (DateTimeOffset.TryParseExact(dateTextSpan, "yyyy年MM月dd日 HH:mm:ss", CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal, out var result))
{
return result;
}

throw new FormatException($"Invalid date format: could not parse date in '{text}'.");
}

private static Metadata GetMetadata(HeadingBlock heading, IEnumerable<LiteralInline>? labels, DateTimeOffset mergedAt)
{
var pullRequestNumber = "";
var titleText = "";
Expand Down Expand Up @@ -233,7 +258,7 @@ private static Metadata GetMetadata(HeadingBlock heading, IEnumerable<LiteralInl
var anchorId = pullRequestNumber.TrimStart('#');
var displayText = $"{pullRequestNumber} {titleText.Trim()}";

return new Metadata(anchorId, displayText, labels?.Select(l => l.ToString()).ToImmutableArray() ?? ImmutableArray<string>.Empty);
return new Metadata(anchorId, displayText, labels?.Select(l => l.ToString()).ToImmutableArray() ?? ImmutableArray<string>.Empty, mergedAt);
}

private static string GetOverview(ContainerInline? inline)
Expand Down Expand Up @@ -291,12 +316,18 @@ public readonly struct Summary(string overview)
public string Overview => overview;
}

public readonly struct Metadata(string pullRequestNumber, string titleText, ImmutableArray<string> labels)
public readonly struct Metadata(
string pullRequestNumber,
string titleText,
ImmutableArray<string> labels,
DateTimeOffset mergedAt)
{
public string PullRequestNumber => pullRequestNumber;

public string TitleText => titleText;

public ImmutableArray<string> Labels => labels;

public DateTimeOffset MergedAt => mergedAt;
}
}
11 changes: 4 additions & 7 deletions src/PRDigest.NET/RssFeedGenerator.cs
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Expand Up @@ -89,13 +89,10 @@ static void AppendItem(ref DefaultInterpolatedStringHandler builder, string targ
builder.AppendLiteral("</guid>");
builder.AppendLiteral(Environment.NewLine);

if (DateTimeOffset.TryParseExact(target, "yyyy/MM/dd".AsSpan(), CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AssumeUniversal, out var date))
{
builder.AppendLiteral(" <pubDate>");
builder.AppendFormatted(date, format: "R");
builder.AppendLiteral("</pubDate>");
builder.AppendLiteral(Environment.NewLine);
}
builder.AppendLiteral(" <pubDate>");
builder.AppendFormatted(metadata.MergedAt, format: "R");
builder.AppendLiteral("</pubDate>");
builder.AppendLiteral(Environment.NewLine);

if (summaryGroups.TryGetValue(metadata.PullRequestNumber, out var info))
{
Expand Down